DE69032523D1 - Akustisches Gerät und dazugehörendes Steuerungsgerät - Google Patents

Akustisches Gerät und dazugehörendes Steuerungsgerät

Info

Publication number
DE69032523D1
DE69032523D1 DE69032523T DE69032523T DE69032523D1 DE 69032523 D1 DE69032523 D1 DE 69032523D1 DE 69032523 T DE69032523 T DE 69032523T DE 69032523 T DE69032523 T DE 69032523T DE 69032523 D1 DE69032523 D1 DE 69032523D1
Authority
DE
Germany
Prior art keywords
associated control
control device
acoustic
acoustic device
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69032523T
Other languages
English (en)
Other versions
DE69032523T2 (de
Inventor
Kenji Yokoyama
Masao Noro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Corp
Original Assignee
Yamaha Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamaha Corp filed Critical Yamaha Corp
Application granted granted Critical
Publication of DE69032523D1 publication Critical patent/DE69032523D1/de
Publication of DE69032523T2 publication Critical patent/DE69032523T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE1990632523 1989-12-26 1990-12-27 Akustisches Gerät und dazugehörendes Steuerungsgerät Expired - Fee Related DE69032523T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33521089A JP3035943B2 (ja) 1989-12-26 1989-12-26 音響装置およびこのような音響装置を構成するための駆動装置

Publications (2)

Publication Number Publication Date
DE69032523D1 true DE69032523D1 (de) 1998-09-03
DE69032523T2 DE69032523T2 (de) 1999-04-08

Family

ID=18285998

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990632523 Expired - Fee Related DE69032523T2 (de) 1989-12-26 1990-12-27 Akustisches Gerät und dazugehörendes Steuerungsgerät

Country Status (3)

Country Link
EP (1) EP0435304B1 (de)
JP (1) JP3035943B2 (de)
DE (1) DE69032523T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004021546A1 (de) * 2004-05-03 2005-12-08 Avantgarde Acoustic Lautsprechersysteme Gmbh Hornlautsprecher
JP4887968B2 (ja) * 2006-08-09 2012-02-29 ヤマハ株式会社 音声会議装置
US8401207B2 (en) * 2009-03-31 2013-03-19 Harman International Industries, Incorporated Motional feedback system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550430A (en) * 1981-02-20 1985-10-29 Meyers Stanley T Sound reproducing system utilizing motional feedback and an improved integrated magnetic structure
US4638258A (en) * 1982-02-26 1987-01-20 Barcus-Berry Electronics, Inc. Reference load amplifier correction system
US5031221A (en) * 1987-06-02 1991-07-09 Yamaha Corporation Dynamic loudspeaker driving apparatus
JPH0728473B2 (ja) * 1988-05-06 1995-03-29 ヤマハ株式会社 インピーダンス補償回路

Also Published As

Publication number Publication date
EP0435304B1 (de) 1998-07-29
EP0435304A3 (en) 1991-10-23
JP3035943B2 (ja) 2000-04-24
DE69032523T2 (de) 1999-04-08
JPH03196798A (ja) 1991-08-28
EP0435304A2 (de) 1991-07-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee